24 hours in pictures

Kolkata, India: a health official sprays pesticides to kill mosquitoes with a portable smoke fogger as the city faces a dengue outbreak Photograph: Piyal Adhikary/EPA

Croix-des-Bouquets, Haiti: a woman balances bananas on her head at the public market Photograph: Dieu Nalio Chery/AP

Charlotte, North Carolina, US: three women wear T-shirts as they walk outside the Time Warner Arena, where the Democratic national convention is taking place Photograph: Antonov Mladen/AFP/Getty Images

Ribeira do Farrio, Portugal: people walk on a road near a forest fire. Over 1,700 firefighters have been mobilised to tackle more than 10 forest fires Photograph: Rafael Marchante/Reuters

Mexico City, Mexico: competitors wait to participate in the Mr Mexico and Miss Perfection bodybuilding contest Photograph: Eduardo Verdugo/AP

Athens, Greece: a man walks through a shopping arcade, where most of the shops are closed due to the financial crisis Photograph: Petros Giannakouris/AP

Birkirkara, Malta: a heavily damaged car rests against a bridge after being carried away by flash floods Photograph: Darrin Zammit Lupi/Reuters

Penshurt, Costa Rica: a baby Hoffmann's two-toed sloth (Choloepus hoffmanni) at a sloth sanctuary Photograph: Rodrigo Arangua/AFP/Getty Images

Old Havana, Cuba: pupils walk towards their classroom on the first day back to school at the Angela Landa elementary school Photograph: Ramon Espinosa/AP

Kabul, Afghanistan: an Afghan child plays on top of Wazir Akbar Khan hill Photograph: Jose Cabezas/AFP/Getty Images

Mbabane, Swaziland: girls and young women sing during a reed dance at Queen Mother's royal palace. The annual event brings unmarried girls from all over Swaziland to pay homage to the Swazi Queen Mother, Ntombi Thwala Photograph: Themba Hadebe/AP

Seoul, South Korea: Unification Church followers mourn the death of their leader, Sun Myung Moon Photograph: Kim Hong-Ji/Reuters

New Delhi, India: supporters of India's main opposition Bharatiya Janata Party (BJP) shout slogans as police use water cannon to disperse them during a demonstration in favour of carving a separate state of Telangana from Andhra Pradesh state Photograph: Saurabh Das/AP

Rio de Janeiro, Brazil: children play near a sculpture by Spanish artist Jaume Plensa on Botafogo beach Photograph: Christophe Simon/AFP/Getty Images